{"id":59836,"date":"2025-08-03T00:37:45","date_gmt":"2025-08-03T00:37:45","guid":{"rendered":""},"modified":"2025-09-27T08:15:06","modified_gmt":"2025-09-27T14:15:06","slug":"cve-2025-6989-arbitrary-folder-deletion-vulnerability-in-kallyas-wordpress-theme","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6989-arbitrary-folder-deletion-vulnerability-in-kallyas-wordpress-theme\/","title":{"rendered":"<strong>CVE-2025-6989: Arbitrary Folder Deletion Vulnerability in Kallyas WordPress Theme<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-6989 vulnerability is a notable cybersecurity concern that affects the Kallyas theme for WordPress, a widely-used framework for building WordPress websites. The vulnerability originates from the delete_font() function and allows attackers to delete arbitrary folders on the server due to insufficient file path validation.<br \/>\nThis vulnerability is significant because it exposes numerous websites built using <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8060-critical-vulnerability-in-tenda-ac23-leading-to-stack-based-buffer-overflow\/\"  data-wpil-monitor-id=\"67892\">Kallyas<\/a> theme to attacks that can potentially lead to system compromise or data leakage. As the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7692-authentication-bypass-vulnerability-in-orion-login-with-sms-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"69972\">vulnerability could be exploited by any authenticated<\/a> user with Contributor-level access and above, it also raises concerns about insider threats.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6989<br \/>\nSeverity: High, CVSS score 8.1<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low (Contributor-level access)<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70421\">Potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1378135807\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Kallyas <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8592-wordpress-inspiro-theme-vulnerability-to-cross-site-request-forgery-csrf\/\"  data-wpil-monitor-id=\"85376\">WordPress Theme<\/a> | Up to and including 4.21.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of the delete_font() function in the Kallyas WordPress theme, which lacks proper <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40737-critical-file-path-validation-vulnerability-in-sinec-nms\/\"  data-wpil-monitor-id=\"67894\">file path validation<\/a>. An attacker with Contributor-level access can manipulate this function to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9408-server-side-request-forgery-attack-in-eclipse-glassfish\/\"  data-wpil-monitor-id=\"77245\">delete any folder<\/a> on the server, not just the intended font folders. By deleting <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50067-critical-vulnerability-in-oracle-application-express-allowing-system-takeover\/\"  data-wpil-monitor-id=\"67893\">critical system or application<\/a> folders, the attacker could cause significant disruption or even compromise the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-440988659\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Below is a conceptual example of how an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"77246\">attacker might exploit<\/a> this vulnerability. This pseudocode demonstrates a HTTP POST request to the delete_font() function, providing an arbitrary directory path instead of a valid font name.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=zn_delete_font HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nCookie: [authenticated session cookie]\nfont_name=..\/..\/..\/important-folder<\/code><\/pre>\n<p>In this example, the `font_name` parameter is manipulated to point to an arbitrary directory (`..\/..\/..\/important-folder`). The server, failing to validate the path properly, would delete the specified folder, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7027-critical-firmware-vulnerability-enabling-arbitrary-memory-writes-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"69973\">potentially leading to a system<\/a> compromise or data leakage.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the risks associated with CVE-2025-6989, it is recommended to apply the vendor-provided patch as soon as possible. If this is not immediately feasible, temporary mitigation can be achieved by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31100-unrestricted-file-upload-leads-to-web-shell-deployment-in-mojoomla-school-management\/\"  data-wpil-monitor-id=\"84723\">deploying Web<\/a> Application Firewall (WAF) rules or Intrusion Detection Systems (IDS) to monitor and block suspicious requests to the `zn_delete_font` action. However, this is a temporary solution and the patch should still be applied as soon as possible to avoid future exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-6989 vulnerability is a notable cybersecurity concern that affects the Kallyas theme for WordPress, a widely-used framework for building WordPress websites. The vulnerability originates from the delete_font() function and allows attackers to delete arbitrary folders on the server due to insufficient file path validation. This vulnerability is significant because it exposes numerous websites [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59836","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=59836"}],"version-history":[{"count":6,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59836\/revisions"}],"predecessor-version":[{"id":78167,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59836\/revisions\/78167"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59836"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59836"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59836"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59836"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59836"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59836"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}